#412 In kernel driver can fail to suspend

open
dertman
in-kernel_driver
1
2014-10-08
2014-05-21
James Hewitt
No

In kernel driver can fail to suspend. Tends to only happen when its been in and out of its docking station through the day.

jammy@pk0k4dr:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04 LTS
Release:    14.04
Codename:   trusty
jammy@pk0k4dr:~$ uname -a
Linux pk0k4dr 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
jammy@pk0k4dr:~$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
G5ET97WW (2.57 )
02/25/2014
jammy@pk0k4dr:~$ sudo ethtool -i eth0
driver: e1000e

dmesg:
[228215.830259] PM: Entering mem sleep
[228215.830326] Suspending console(s) (use no_console_suspend to debug)
[228215.953981] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[228215.954146] sd 0:0:0:0: [sda] Stopping disk
[228216.173167] nouveau [ DRM] suspending display...
[228216.173285] nouveau [ DRM] unpinning framebuffer(s)...
[228216.173928] nouveau [ DRM] evicting buffers...
[228216.174918] nouveau [ DRM] waiting for kernel channels to go idle...
[228216.174939] nouveau [ DRM] suspending client object trees...
[228216.176857] pci_pm_suspend(): e1000_suspend+0x0/0x20 [e1000e] returns -2
[228216.176861] dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -2
[228216.176862] PM: Device 0000:00:19.0 failed to suspend async: error -2
[228216.183169] nouveau [ DRM] suspending kernel object tree...
[228217.504658] PM: Some devices failed to suspend, or early wake event detected
version: 2.3.2-k
firmware-version: 0.13-3

Discussion

  • James Hewitt
    James Hewitt
    2014-05-28

    Happy to perform any diagnostics if someone can suggest something that would be worth trying

     
  • Todd Fujinaka
    Todd Fujinaka
    2014-05-28

    • assigned_to: dertman